E.g.f. A(x) satisfies A(x) = exp(x*B(x*A(x)^2)), where B(x) = 1 + x*B(x)^4 is the g.f. of A002293.

A382031

E.g.f. A(x) satisfies A(x) = exp(x*B(x*A(x)^2)), where B(x) = 1 + x*B(x)^4 is the g.f. of A002293.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =43a(4) =1177a(5) =46681a(6) =2419291a(7) =154587427a(8) =11735209585

External references